Linux in a Nutshell, 6th Edition

Name

gpasswd

Synopsis

gpasswd [options] group

Administer /etc/group and /etc/gshadow entries. May only be used by an administrator. When used with a group name only, prompts for new group password. Defaults such as minimum and maximum group id values are specified in /etc/login.defs.

Options

-a

Add a new group.

-A users

Add administrative members.

-d

Delete a group.

-M users

Add group members.

-R

Disable access to the group. Also prevent creation of a new group with the same name.

-r

Remove the password entirely.